The protostar within the dark cloud L1527, shown in this image from NASA’s James Webb Space Telescope Near-Infrared Camera (NIRCam), is embedded within a cloud of material feeding its growth. Ejections from the star have cleared out cavities above and below it, whose boundaries glow orange and blue in this infrared view. The upper central region displays bubble-like shapes due to stellar “burps,” or sporadic ejections. Webb also detects filaments made of molecular hydrogen that has been shocked by past stellar ejections. The edges of the cavities at upper left and lower right appear straight, while the boundaries at upper right and lower left are curved. The region at lower right appears blue, as there’s less dust between it and Webb than the orange regions above it.
Image Credit:NASA, ESA, CSA, STScI
About the Object
- R.A. Position
- 04:39:53.59
- Dec. Position
- +26:03:05.50
- Constellation
- Taurus
- Distance
- About 460 light-years
- Dimensions
- Image is 2.2 arcmin across (about 0.3 light-years)
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This image of the dusty debris disk surrounding the young star Fomalhaut is from Webb’s Mid-Infrared Instrument (MIRI). It reveals three nested belts extending out to 14 billion miles (23 billion kilometers) from the star. The inner belts – which had never been seen before – were revealed by Webb for the first time. The ragged black spot in the middle indicates a lack of data due to detector saturation. The Hubble Space Telescope and Herschel Space Observatory, as well as the Atacama Large Millimeter/submillimeter Array (ALMA), have previously taken sharp images of the outermost belt. However, none of them found any structure interior to it. These belts most likely are carved by the gravitational forces produced by unseen planets.
Image Credit: NASA, ESA, CSA
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NASA's James Webb Space Telescope captures the infrared light from bright protostars in young star system FS Tau. FS Tau A, a pair of protostars that creates the largest diffraction pattern slightly to the left of center, is about half the mass of our Sun. FS Tau B, the orange protostar slightly right of center, is thought to be responsible for the red (molecular hydrogen) and orange (soot-like molecules known as polycyclic aromatic hydrocarbons) outflows that we see amid the dusty region. The blue ridges are areas where light has been scattered by dust.
Image Credit: NASA, ESA, CSA, STScI; Image Processing: Alyssa Pagan (STScI)
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NASA’s James Webb Space Telescope observed Herbig-Haro 49/50, an outflow from a nearby still-forming star, in high-resolution near- and mid-infrared light. The young star is off to the lower right corner of the Webb image.Intricate features of the outflow, represented in reddish-orange color, provide detailed clues about how young stars form and how their jet activity affects the environment around them. A chance alignment in this direction of the sky provides a beautiful juxtaposition of this nearby Herbig-Haro object (located within our Milky Way) with a face-on spiral galaxy in the distant background. Protostars are young stars in the process of formation that generally launch narrow jets of material. These jets move through the surrounding environment, in some cases extending to large distances away from the protostar. Like the water wake generated by a speeding boat, the arcs in this image are created by the fast-moving jet slamming into surrounding dust and gas. This ambient material is compressed and heats up, then cools by emitting light at visible and infrared wavelengths. In particular, the infrared light captured here by Webb highlights molecular hydrogen and carbon monoxide. The galaxy that appears by happenstance at the tip of Herbig-Haro 49/50 is a much more distant spiral galaxy. It has a prominent central bulge represented in blue that shows the location of older stars. It also displays hints of “side lobes,” suggesting that this could be a barred-spiral galaxy. Reddish clumps within the spiral arms show the locations of warm dust and groups of forming stars. There are many more galaxies at further distances in the surrounding background, including ones that shine through the diffuse infrared glow of the nearby Herbig-Haro object.
Image Credit: NASA, ESA, CSA, STScI